Service manual SC-150

4-9 CXA1315P

4-9-1 General description

The CXA1315M/P is developed as a 5-channel 8- bit D/A converter supporting with I 2 C bus.

4-9-2 Features

-Serial control through I 2 C bus -5-channel 8-bit D/A converter

-Built-in 4general-purpose I/O ports (Digital I/O)

-I/O can be specified to respective ports independently

-Selection of 8 slave addresses possible through address select pins (3 pins)

4-9-3 Block diagram

SAD2 SAD1 SAD0

SW0 to 3

Open collector

I2C BUS

SDA

SCL

Vcc

REG

GND

Level Conversion

Power On Reset

Vcc

Level

LATCH

Level

Conversion

Conversion

 

I2C Decoder

LATCH

 

LATCH

 

LATCH

 

LATCH

 

LATCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAC

 

DAC

 

DAC

 

DAC

 

DAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AMP

 

AMP

 

AMP

 

AMP

 

AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAC4

 

DAC3

 

DAC2

 

DAC1

 

DAC0

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Daewoo DSC-3220E/3220L service manual I2C Decoder

DSC-3220E/3220L specifications

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